Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    29-12-2024 10:50

General

  • Target

    3b355cd8a9f4b23fb027941ce2b80436d9c3928e0ebdc665dbd2d6f2ff1071b7.exe

  • Size

    810KB

  • MD5

    7b4819d963c28bf036869fd42ae9df56

  • SHA1

    9a6aac6b643efa01ef9fddc12345ce576b45af38

  • SHA256

    3b355cd8a9f4b23fb027941ce2b80436d9c3928e0ebdc665dbd2d6f2ff1071b7

  • SHA512

    3aa744f730e94344f2f79550836792860e6ffdbe7321e918bf3aa5283153da5248b36581936de2ec0061eb6e0863067b360aa1c2d5c302fded88986ab8c3f5e5

  • SSDEEP

    12288:iITsqgmDWSpR+Gqg1gOSJVSKdet5RVu5ihnYQspCp9qWvX9fRBBRS7:iIXgCWSpRygdSJVDsVu5unzqWvX1RRS7

Malware Config

Extracted

Family

sality

C2

http://89.119.67.154/testo5/

http://kukutrustnet777.info/home.gif

http://kukutrustnet888.info/home.gif

http://kukutrustnet987.info/home.gif

Signatures

  • Modifies firewall policy service 3 TTPs 3 IoCs
  • Sality

    Sality is backdoor written in C++, first discovered in 2003.

  • Sality family
  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 2 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • UPX packed file 19 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Windows directory 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 23 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1120
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1164
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1192
          • C:\Users\Admin\AppData\Local\Temp\3b355cd8a9f4b23fb027941ce2b80436d9c3928e0ebdc665dbd2d6f2ff1071b7.exe
            "C:\Users\Admin\AppData\Local\Temp\3b355cd8a9f4b23fb027941ce2b80436d9c3928e0ebdc665dbd2d6f2ff1071b7.exe"
            2⤵
            • Modifies firewall policy service
            • UAC bypass
            • Windows security bypass
            • Windows security modification
            • Checks whether UAC is enabled
            • Enumerates connected drives
            • Drops file in Windows directory
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            • System policy modification
            PID:784
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1632

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\jusched.log

            Filesize

            1KB

            MD5

            53095187c7acd83e99641d64ec1ed5bd

            SHA1

            99f9930908826471dcfb2bdf40f721980c0973ec

            SHA256

            b2ffd7206c66a1d962d5e6859683b9b106e711d126f967bac8f9dc38d562b739

            SHA512

            8291d4b973c94a6a97401dcb39e16776a0599c4387e1c817dfd93257bd3e4206eeaecee4a2492e31d56dc1d83acab3b11538adfb5e32b1db32b82140236a3aeb

          • memory/784-28-0x00000000005A0000-0x00000000005A2000-memory.dmp

            Filesize

            8KB

          • memory/784-66-0x0000000000400000-0x00000000004CB000-memory.dmp

            Filesize

            812KB

          • memory/784-29-0x00000000005B0000-0x00000000005B1000-memory.dmp

            Filesize

            4KB

          • memory/784-12-0x0000000001EE0000-0x0000000002F9A000-memory.dmp

            Filesize

            16.7MB

          • memory/784-10-0x0000000001EE0000-0x0000000002F9A000-memory.dmp

            Filesize

            16.7MB

          • memory/784-15-0x0000000001EE0000-0x0000000002F9A000-memory.dmp

            Filesize

            16.7MB

          • memory/784-37-0x00000000005B0000-0x00000000005B1000-memory.dmp

            Filesize

            4KB

          • memory/784-39-0x00000000005A0000-0x00000000005A2000-memory.dmp

            Filesize

            8KB

          • memory/784-16-0x0000000001EE0000-0x0000000002F9A000-memory.dmp

            Filesize

            16.7MB

          • memory/784-13-0x0000000001EE0000-0x0000000002F9A000-memory.dmp

            Filesize

            16.7MB

          • memory/784-11-0x0000000001EE0000-0x0000000002F9A000-memory.dmp

            Filesize

            16.7MB

          • memory/784-9-0x0000000001EE0000-0x0000000002F9A000-memory.dmp

            Filesize

            16.7MB

          • memory/784-17-0x0000000001EE0000-0x0000000002F9A000-memory.dmp

            Filesize

            16.7MB

          • memory/784-1-0x0000000001EE0000-0x0000000002F9A000-memory.dmp

            Filesize

            16.7MB

          • memory/784-43-0x0000000001EE0000-0x0000000002F9A000-memory.dmp

            Filesize

            16.7MB

          • memory/784-8-0x0000000001EE0000-0x0000000002F9A000-memory.dmp

            Filesize

            16.7MB

          • memory/784-14-0x0000000001EE0000-0x0000000002F9A000-memory.dmp

            Filesize

            16.7MB

          • memory/784-40-0x0000000001EE0000-0x0000000002F9A000-memory.dmp

            Filesize

            16.7MB

          • memory/784-41-0x0000000001EE0000-0x0000000002F9A000-memory.dmp

            Filesize

            16.7MB

          • memory/784-42-0x0000000001EE0000-0x0000000002F9A000-memory.dmp

            Filesize

            16.7MB

          • memory/784-44-0x0000000001EE0000-0x0000000002F9A000-memory.dmp

            Filesize

            16.7MB

          • memory/784-0-0x0000000000400000-0x00000000004CB000-memory.dmp

            Filesize

            812KB

          • memory/784-46-0x0000000001EE0000-0x0000000002F9A000-memory.dmp

            Filesize

            16.7MB

          • memory/784-47-0x0000000001EE0000-0x0000000002F9A000-memory.dmp

            Filesize

            16.7MB

          • memory/784-49-0x00000000005A0000-0x00000000005A2000-memory.dmp

            Filesize

            8KB

          • memory/784-67-0x0000000001EE0000-0x0000000002F9A000-memory.dmp

            Filesize

            16.7MB

          • memory/1120-18-0x00000000002D0000-0x00000000002D2000-memory.dmp

            Filesize

            8KB